Hideyuki Dohi

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for preparing diarylalkanes
- Patent number 7,022,887
- Issue date Apr 4, 2006
- Nippon Petrochemicals Co., Ltd
- Hideyuki Dohi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing aromatic compound
- Patent number 6,350,930
- Issue date Feb 26, 2002
- Nippon Petrochemicals Company, Limited
- Hideyuki Dohi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing low bromine number fraction
- Patent number 6,255,549
- Issue date Jul 3, 2001
- Nippon Petrochemicals Company, Limited
- Hideyuki Dohi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing diarylmethane or its derivatives
- Patent number 6,207,866
- Issue date Mar 27, 2001
- Nippon Petrochemicals Company, Limited
- Tadanori Kawamata
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing diarylmethane
- Patent number 5,880,322
- Issue date Mar 9, 1999
- Nippen Petrochemicals Company, Limited
- Hideyuki Dohi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing diphenylmethane
- Patent number 5,877,362
- Issue date Mar 2, 1999
- Nippon Petrochemicals Company, Limited
- Hideyuki Dohi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process of producing copper phthalocyanine pigment having a bright...
- Patent number 5,698,023
- Issue date Dec 16, 1997
- Nippon Petrochemical Co., Ltd.
- Tsutomu Takashima
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Apparatus and method for filling and impregnating capacitors with a...
- Patent number 5,241,997
- Issue date Sep 7, 1993
- Nippon Petrochemicals Co., Ltd.
- Shoji Tai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for treating by-product oil
- Patent number 5,171,906
- Issue date Dec 15, 1992
- Nippon Petrochemicals Company, Limited
- Shigenobu Kawakami
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Electrical insulating oil composition and capacitors prepared there...
- Patent number 5,134,761
- Issue date Aug 4, 1992
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric insulating oil composition
- Patent number 5,113,029
- Issue date May 12, 1992
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of producing insulating oil comprising dibenzylbenzene
- Patent number 5,107,395
- Issue date Apr 21, 1992
- Nippon Petrochemicals Company, Limited
- Shigenobu Kawakami
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Electrical insulating oil composition and capacitors prepared there...
- Patent number 5,081,757
- Issue date Jan 21, 1992
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical insulating oil composition
- Patent number 5,017,733
- Issue date May 21, 1991
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical insulating oil composition
- Patent number 5,015,793
- Issue date May 14, 1991
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical insulating oil comprising improved fraction
- Patent number 4,982,025
- Issue date Jan 1, 1991
- Nippon Petrochemicals Company, Limited
- Shigenobu Kawakami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical insulating oil composition and electrical appliances imp...
- Patent number 4,967,028
- Issue date Oct 30, 1990
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for producing electrical insulating oil composition
- Patent number 4,902,841
- Issue date Feb 20, 1990
- Nippon Petrochemicals Company, Ltd.
- Shigenobu Kawakami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing m-benzyltolune
- Patent number 4,899,009
- Issue date Feb 6, 1990
- Nippon Petrochemicals Co. Ltd.
- Shigenobu Kawakami
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Oil-filled capacitor
- Patent number 4,870,221
- Issue date Sep 26, 1989
- Nippon Petrochemicals Co., Ltd.
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Novel method for refining electrical insulating oil
- Patent number 4,802,058
- Issue date Jan 31, 1989
- Nippon Petrochemicals Company, Limited
- Shigenobu Kawakami
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical insulating oil composition
- Patent number 4,750,083
- Issue date Jun 7, 1988
- Nippon Petrochemicals Company, Ltd.
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Oil-impregnated capacitor
- Patent number 4,716,084
- Issue date Dec 29, 1987
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical appliance impregnated with a curable impregnant composition
- Patent number 4,670,348
- Issue date Jun 2, 1987
- Nippon Petrochemicals Co., Ltd.
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
New electrical insulating oil and oil-filled electrical appliances
- Patent number 4,639,833
- Issue date Jan 27, 1987
- Nippon Petrochemicals Company, Ltd.
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Oil-filled capacitor
- Patent number 4,591,948
- Issue date May 27, 1986
- Nippon Petrochemicals Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical insulating oil and oil-filled electrical appliances
- Patent number 4,568,793
- Issue date Feb 4, 1986
- Nippon Petrochemical Company, Limited
- Atsushi Sato
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method for preparing diarylalkanes
- Publication number 20030109763
- Publication date Jun 12, 2003
- Nippon Petrochemicals Co., Ltd.
- Hideyuki Dohi
- C07 - ORGANIC CHEMISTRY

Hideyuki Dohi

Person

Patents Grantslast 30 patents

Method for preparing diarylalkanes

Method for producing aromatic compound

Method for producing low bromine number fraction

Method for producing diarylmethane or its derivatives

Method for producing diarylmethane

Method for producing diphenylmethane

Process of producing copper phthalocyanine pigment having a bright...

Apparatus and method for filling and impregnating capacitors with a...

Process for treating by-product oil

Electrical insulating oil composition and capacitors prepared there...

Electric insulating oil composition

Method of producing insulating oil comprising dibenzylbenzene

Electrical insulating oil composition and capacitors prepared there...

Electrical insulating oil composition

Electrical insulating oil composition

Electrical insulating oil comprising improved fraction

Electrical insulating oil composition and electrical appliances imp...

Method for producing electrical insulating oil composition

Method for producing m-benzyltolune

Oil-filled capacitor

Novel method for refining electrical insulating oil

Electrical insulating oil composition

Oil-impregnated capacitor

Electrical appliance impregnated with a curable impregnant composition

New electrical insulating oil and oil-filled electrical appliances

Oil-filled capacitor

Electrical insulating oil and oil-filled electrical appliances

Patents Applicationslast 30 patents

Method for preparing diarylalkanes